可以添加多個頭視圖、尾視圖的RecycleView適配器，recycleview適配器

可以添加多個頭視圖、尾視圖的RecycleView適配器，recycleview適配器

import android.support.v7.widget.RecyclerView;import android.view.View;import android.view.ViewGroup;import java.util.ArrayList;/** * 可以添加多個透視圖、尾視圖的適配器 * Created by WangGang on 2015/5/27. */public abstract class AdvancedAdapter2 extends RecyclerView.Adapter<RecyclerView.ViewHolder> {    private static final String TAG = "=========";    private ArrayList<View> mHeaderViews = new ArrayList<>(); //頭視圖    private ArrayList<View> mFooterViews = new ArrayList<>();   //尾視圖    public void addHeaderView(View headerView) {        mHeaderViews.add(headerView);    }    public void addFooterView(View footerView) {        mFooterViews.add(footerView);    }    private ArrayList<Integer> mHeaderViewTypes = new ArrayList<>();    private ArrayList<Integer> mFooterViewTypes = new ArrayList<>();    @Override    public int getItemViewType(int position) {        if (mHeaderViews.size() > 0 && position < mHeaderViews.size()) {            //用position作為HeaderView 的   ViewType標記            //記錄每個ViewType標記            mHeaderViewTypes.add(position * 100000);            return position * 100000;        }        if (mFooterViews.size() > 0 && position > getAdvanceCount() - 1 + mHeaderViews.size()) {            //用position作為FooterView 的   ViewType標記            //記錄每個ViewType標記            mFooterViewTypes.add(position * 100000);            return position * 100000;        }        if (mHeaderViews.size() > 0) {            return getAdvanceViewType(position - mHeaderViews.size());        }        return getAdvanceViewType(position);    }    public abstract int getAdvanceViewType(int position);    /**     * !! 不能為0！！！     *     * @return     */    protected abstract int getAdvanceCount();    protected abstract void onBindAdvanceViewHolder(RecyclerView.ViewHolder holder, int i);    protected abstract RecyclerView.ViewHolder onCreateAdvanceViewHolder(ViewGroup parent, int viewType);    @Override    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {        if (mHeaderViewTypes.contains(viewType)) {            return new HeaderHolder(mHeaderViews.get(viewType / 100000));        }        if (mFooterViewTypes.contains(viewType)) {            int index = viewType / 100000 - getAdvanceCount() - mHeaderViews.size();            return new FooterHolder(mFooterViews.get(index));        }        return onCreateAdvanceViewHolder(parent, viewType);    }    @Override    public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {        if (mFooterViews.size() > 0 && (position > getAdvanceCount() - 1 + mHeaderViews.size())) {            return;        }        if (mHeaderViews.size() > 0) {            if (position < mHeaderViews.size()) {                return;            }            onBindAdvanceViewHolder(holder, position - mHeaderViews.size());            return;        }        onBindAdvanceViewHolder(holder, position);    }    class HeaderHolder extends RecyclerView.ViewHolder {        public HeaderHolder(View itemView) {            super(itemView);        }    }    class FooterHolder extends RecyclerView.ViewHolder {        public FooterHolder(View itemView) {            super(itemView);        }    }    @Override    public int getItemCount() {        if (mHeaderViews.size() > 0 && mFooterViews.size() > 0) {            return getAdvanceCount() + mHeaderViews.size() + mFooterViews.size();        }        if (mHeaderViews.size() > 0) {            return getAdvanceCount() + mHeaderViews.size();        }        if (mFooterViews.size() > 0) {            return getAdvanceCount() + mFooterViews.size();        }        return getAdvanceCount();    }}